% Expired Patents = 33.3

Forward Citations = 15

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5 inventors (with patents filed for the assignee):

Takeshi Naka (3 out of 10 patents)

Norimasa Hane (1 out of 10 patents)

Satoru Ohkawa (1 out of 5 patents)

4. Atsunori Tokumitsu (1 out of 1 patent)

5. Takashi Maegawa (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7459895 - Power circuit (2008-12-02),

2. 7142040 - Stabilized power supply circuit (2006-11-28),

3. 7135844 - Control circuit for DC/DC converter (2006-11-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3,547 in Tokyo

#8,929 in Japan

Tokyo, Japan

Torex Device Co., Ltd.

Forward Citations = 15

5 inventors:

Takeshi Naka (3 out of 10 patents)

Norimasa Hane (1 out of 10 patents)

Satoru Ohkawa (1 out of 5 patents)

4. Atsunori Tokumitsu (1 out of 1 patent)

5. Takashi Maegawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Torex Device Co., Ltd.. Retrieved from https://idiyas.com/company/torex-device-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]